Eric Nielsen, director of the Arizona U.S. Export Assistance Center, and Lea Marquez Peterson, President and CEO of the Tucson Hispanic Chamber, discuss what business opportunities arise from the fast-growing Sonoran economy, at a luncheon meeting of the Tucson Hispanic Chamber of Commerce of Southern Arizona from 11:30 a.m. to 1:30 p.m., Thursday, March 21; $35, $25 for members with reservations. Visit tucsonhispanicchamber.org to register and for more information.